Ninjitsu Art Tool - Iron Digger X SPELL Equip The equipped monster gains 500 ATK, also it is treated as a "Ninja" monster
If Chance Encounter is still around on your next upkeep, you win
Once per turn, when an opponent's monster declares an attack while you control another "Kuriboh" monster: You can change the ATK of all other monsters you control to 0 until the end of this turn, and if you do, negate the attack
While Umi is on the field, Ocean Dragon Lord - Kairyu - Shin makes players only able to control 1 non-Water attribute monster , which makes the board incredibly frustrating to break
Fake : Fakes usually dont replicate this, so if you shine a UV light and see nothing, beware
Other copies with a similar grading sold as recently as August for thousands less, so what caused the sudden spike in price